function xdeltastCOMFn = deltastCOMFn(x)
xdeltastCOMFn = (-189275041409611493300686390153736048823781048436532382807930038143760 -  ...
  45490136201315500021499981561041943388705779440231764747986152302351121* ...
   x(1) -  ...
  26858152368127463632519453232961990809990155417222109995676487435816419* ...
   x(2) -  ...
  10101687872575713520172782157293467845641195210592649238655011855533619* ...
   x(3) -  ...
  5442212326514327749904058595855216990184550950698052856560778147216381* ...
   x(4) -  ...
  2059256552137048439723720694704319744782531981862796061105229660204181* ...
   x(5))/ ...
 45489348653408987506408805392150288264347761128293710937374335680725521 ...
;